Birth Characteristics of Different Ocular Congenital Abnormalities in Hungary
2006
Aims: The aim of the study was to estimate the prevalence at birth of different ocular congenital abnormalities and to describe their birth characteristics in Hungary. Methods: Two data sets were evaluated: the national-based Hungarian Congenital Abnormality Registry and the Hungarian Case-Control Surveillance of Congenital Abnormalities which include cases with ocular abnormalities and patient controls with other (non-ocular) congenital abnormalities, and population controls without abnormalities from the National Birth Registry. Results: Seven hundred twelve cases were found with ocular abnormalities in the data set of the Hungarian Congenital Abnormality Registry (2.62 per 10,000 live births), while that of the Hungarian Case-Control Surveillance of Congenital Abnormalities included 314 cases with ocular defects among 2.7 million live births in Hungary between 1980 and 2002. There was an obvious underascertainment and/or notification of cases with ocular defects because an extra effort to ascertain all...
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